XML 110 R86.htm IDEA: XBRL DOCUMENT
v3.19.1

Other Investments - Summary of Gains Recognized Upon Increase in Fair Value on Other Investments (Detail) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Gains Recognized Upon The Increase In Fair Value On Other Investments [Line Items] |  |
Gain recognized in net income (loss) | $ 221 | $ 4,858
Gain (loss) recognized in other comprehensive income (loss) before taxes | (9) | 608
Canopy Growth Corporation [member] |  |
Gains Recognized Upon The Increase In Fair Value On Other Investments [Line Items] |  |
Gain recognized in net income (loss) |  | 36
Gain (loss) recognized in other comprehensive income (loss) before taxes | 215 | 608
AbCann Global Corp. [member] |  |
Gains Recognized Upon The Increase In Fair Value On Other Investments [Line Items] |  |
Gain recognized in net income (loss) |  | 4,160
Gain (loss) recognized in other comprehensive income (loss) before taxes | (224) |
AbCann Global Corp. [member] | Warrant [member] |  |
Gains Recognized Upon The Increase In Fair Value On Other Investments [Line Items] |  |
Gain recognized in net income (loss) | $ 221 | 5
The Hydropothecary Corporation [member] |  |
Gains Recognized Upon The Increase In Fair Value On Other Investments [Line Items] |  |
Gain recognized in net income (loss) |  | $ 657

X
- Definition Gains Recognized Upon The Increase In Fair Value On Other Investments [Line Items] + References No definition available. + Details
Name: | cron_GainsRecognizedUponTheIncreaseInFairValueOnOtherInvestmentsLineItems
Namespace Prefix: | cron_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The gains (losses) on financial assets at fair value through profit or loss. [Refer: Financial assets at fair value through profit or loss] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 20 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_20_a_i&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The gains (losses) recognised in other comprehensive income on financial assets measured at fair value through other comprehensive income, before tax. [Refer: Financial assets measured at fair value through other comprehensive income; Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2018-01-01 -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 20 -Subparagraph a -Clause viii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_20_a_viii&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2018-01-01 -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 91 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_91_b&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTax
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=cron_CanopyGrowthCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=cron_AbCannGlobalCorpMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ComponentsOfEquityAxis=cron_Warrant1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=cron_TheHydropothecaryCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |